
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="work3.css">
    <script src="../jquery-3.2.1.min.js"></script>
    <script src="work3.js"></script>
</head>
<body>
    <div id="menuDiv">
        <div class="head">好友</div>
        <div class="body">
            任我行<br>
            陈近南<br>
            冯继忠
        </div>
        <div class="head">亲人</div>
        <div class="body">
            向问天<br>
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            赵敏
        </div>
        <div class="head">黑名单</div>
        <div class="body" style="display: block;" id="blackDiv">
            海大富<br>
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            林平之
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